From bccf7c5c6ff50e25dff8e0e433b81379d8999f9b Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 26 Jan 2019 19:58:37 +0000
Subject: Add lock to _colours since it can be manipulated by a Job thread.

---
 src/lib/ffmpeg_subtitle_stream.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/lib/ffmpeg_subtitle_stream.h')

diff --git a/src/lib/ffmpeg_subtitle_stream.h b/src/lib/ffmpeg_subtitle_stream.h
index 064c72f8d..85c4df889 100644
--- a/src/lib/ffmpeg_subtitle_stream.h
+++ b/src/lib/ffmpeg_subtitle_stream.h
@@ -38,5 +38,7 @@ public:
 	std::map<RGBA, RGBA> colours () const;
 
 private:
+	/** mutex to protect _colours as it can be set from the "examine FFMpeg subtitles" job thread */
+	mutable boost::mutex _mutex;
 	std::map<RGBA, RGBA> _colours;
 };
-- 
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